1 out of 1 points
The stimulatory effects of gastrin on acid secretion are mediated in part by gastrin-
induced secretion of which substance?
Selected
Answer:
Histamin
e
Correct
Answer:
Histamin
e
Question 2
1 out of 1 points
The endocrine or hormone-secreting cells of the gastrointestinal tract are located in or
closest to which layer of the gut wall?
Selected
Answer:
Mucos
a
Correct
Answer:
Mucos
a
Question 3
1 out of 1 points
A 30-year-old woman visits her physician because of abdominal bloating, excessive
flatus, and diarrhea. The physician notes the absence of surgical scars during a physical
exam. The results of a 72-hour stool collection indicate excessive amounts of fat in the
stool, 90% of which consists of triglycerides. Which of the following best describes the
nature of this patient s problem?
Selected
Answer:
Pancreatic
disease
Correct
Answer:
Pancreatic
disease
Question 4
1 out of 1 points
What is the major form by which triglycerides are transported in lymph?
Selected
Answer:
Chylomicrons
, Correct
Answer:
Chylomicrons
Question 5
1 out of 1 points
Cystic fibrosis causes a primary disruption in the transfer of which ion across cell
membranes?
Selected
Answer:
Chloride
Correct
Answer:
Chloride
Question 6
1 out of 1 points
A 44-year-old man has his spinal cord severed at T1 in an automobile accident that
leaves him paraplegic. Chronic constipation becomes a problem. His physician
advises him to distend the rectum digitally on a regular schedule to initiate the
defecation reflex. Rectal distention causes which of the following in this patient?
Selected
Answer:
Increased peristaltic waves
Correct
Answer:
Increased peristaltic waves
Question 7
1 out of 1 points
Migrating myoelectric complexes are thought to be stimulated by which of the
following?
Selected
Answer:
Motilin
Correct
Answer:
Motilin
Question 8
0 out of 1 points
Which set of changes to saliva occur as the rate of salivation increases?
Selected
Answer:
Potassium increases
Correct
Answer:
Sodium increases
Question 9
1 out of 1 points